Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Kc2 win in 3 half-moves
4 Ke6 win in 3 half-moves
5 Kf6 win in 3 half-moves
6 Kg6 win in 3 half-moves
7 Kg7 win in 3 half-moves
8 Ke7 win in 5 half-moves
9 Ke8 win in 7 half-moves
10 Kf8 win in 7 half-moves
11 Kg8 win in 7 half-moves
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves